<!DOCTYPE html>
<html class="reftest-wait">
    <link rel=match href=hide_and_show_ref.html>
    <style type="text/css">
        .hidden {
            display: none;
        }
        iframe {
            border: 0;
        }
    </style>
    <body id="container">
        <iframe id="iframe" class="hidden" src="data:text/html,%3Cbody%20style%3D%22background%3Agreen%3B%20%22%3E"></iframe>
    </body>
    <script type="text/javascript">
        window.onload = function() {
            document.getElementById("iframe").classList.remove("hidden");
            document.documentElement.classList.remove("reftest-wait");
        }
    </script>
</html>
